Linux Kernel tap_open initialization

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel. This affects the function tap_open. Such manipulation leads to initialization. This vulnerability is listed as CVE-2023-4194. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel (Operating System) (the affected version unknown). Affected by this issue is the function tap_open. The manipulation with an unknown input leads to a initialization vulnerability. Using CWE to declare the problem leads to CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. The impact remains unknown.

The weakness was presented 08/07/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2023-4194 since 08/06/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 226420 (Linux Distros Unpatched Vulnerability : CVE-2023-4194), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.

The vulnerability is also documented in the databases at Tenable (226420) and EUVD (EUVD-2023-54072). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 226420
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-4194

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

08/06/2023 🔍
08/07/2023 +1 days 🔍
08/07/2023 +0 days 🔍
07/24/2025 +717 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: FEDORA-2023-d9509be489
Status: Confirmed

CVE: CVE-2023-4194 (🔍)
GCVE (CVE): GCVE-0-2023-4194
GCVE (VulDB): GCVE-100-236288
EUVD: 🔍

Entryinfo

Created: 08/07/2023 10:29
Updated: 07/24/2025 02:37
Changes: 08/07/2023 10:29 (38), 08/30/2023 14:53 (2), 08/30/2023 14:56 (11), 09/06/2024 20:41 (24), 03/06/2025 00:35 (2), 07/24/2025 02:37 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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